The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 09, 2002
Filed:
May. 10, 2001
Applicant:
Inventors:
Assignee:
International United Technology Co., Ltd., Chu-Pei, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D 5/42 ;
U.S. Cl.
CPC ...
B67D 5/42 ;
Abstract
An ink container includes a casing and an ink reservoir. An air bag is set within the ink reservoir for pressure modulation, an air vent enabling air to enter or exit the air bag. The ink reservoir further includes a fixed piece, a helical spring and a restraining plate. The fixed piece has a first fixed surface fixed inside the casing and a second fixed surface. The helical spring has a first end connected to the second fixed surface and a second end. The restraining plate has a first surface connected to the second end of the helical spring and a second surface pressing on the air bag to clamp the air bag between the second surface of the restraining plate and the casing.